Home / 39,058.02-53,900.10-21,153.06

Finding the Fourth Proportional to 39,058.02, 53,900.10 and 21,153.06

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Solution

The fourth proportional to 39,058.02, 53,900.10 and 21,153.06 is: 29,191.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,058.02 : 53,900.10 = 21,153.06 : x
  2. Step 2: Convert to fraction form
    39,058.02/53,900.10 = 21,153.06/x
  3. Step 3: Cross multiply
    39,058.02x = 53,900.10 × 21,153.06
  4. Step 4: Simplify right side
    39,058.02x = 1,140,152,049.31
  5. Step 5: Solve for x
    x = 1,140,152,049.31/39,058.02
  6. Step 6: Final answer
    x = 29,191.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.